Selection of candidate canister materials for high-level nuclear waste containment in a tuff repository
Conference
·
OSTI ID:59303
A repository located at Yucca Mountain at the Nevada Test Site is a potential site for permanent geological disposal of high level nuclear waste. The repository can be located in a horizon in welded tuff, a volcanic rock, which is above the static water level at this site. The environmental conditions in this unsaturated zone are expected to be air and water vapor dominated for much of the containment period. Type 304L stainless steel is the reference material for fabricating canisters to contain the solid high-level wastes. Alternative stainless alloys are considered because of possible susceptibility of 304L to localized and stress forms of corrosion. For the reprocessed glass wastes, the canisters serve as the recipient for pouring the glass with the result that a sensitized microstructure may develop because of the times at elevated temperatures. Corrosion testing of the reference and alternative materials has begun in tuff-conditioned water and steam environments.
- Research Organization:
- Lawrence Livermore National Laboratory, Livermore, CA
- OSTI ID:
- 59303
- Report Number(s):
- CONF-840405--
- Country of Publication:
- United States
- Language:
- English
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